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This issue affects HHVM prior to 4.56.2, all versions between 4.57.0 and 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0."},{"lang":"es","value":"Un cálculo de tamaño incorrecto en la función ldap_escape puede conllevar a un desbordamiento de enteros cuando es pasada una entrada demasiado larga, resultando en una escritura fuera de límites. Este problema afecta a HHVM versiones anteriores a 4.56.2, todas las versiones entre 4.57.0 y 4.78.0, 4.79.0, 4.80.0, 4.81.0, 4.82.0, 4.83.0"}],"affected":[{"source":"cve-assign@fb.com","affectedData":[{"vendor":"Facebook","product":"HHVM","versions":[{"version":"4.83.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.83.0","status":"affected"},{"version":"4.82.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.82.0","status":"affected"},{"version":"4.81.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.81.0","status":"affected"},{"version":"4.80.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.80.0","status":"affected"},{"version":"4.79.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.79.0","status":"affected"},{"version":"4.78.1","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"4.57.0","lessThan":"unspecified","versionType":"custom","status":"affected"},{"version":"4.56.2","lessThan":"unspecified","versionType":"custom","status":"unaffected"},{"version":"unspecified","lessThan":"4.56.2","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"cve-assign@fb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-122"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionEndExcluding":"4.56.2","matchCriteriaId":"6711FFC9-F4D3-438B-B596-30FCB4EAF015"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionStartIncluding":"4.57.0","versionEndExcluding":"4.78.1","matchCriteriaId":"14D6DF29-4414-4A07-99E9-1BD568EC77A7"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:4.79.0:*:*:*:*:*:*:*","matchCriteriaId":"0C83AAFF-2886-424B-A9BD-251B3AAC790B"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:4.80.0:*:*:*:*:*:*:*","matchCriteriaId":"73B27B4A-CD40-4493-BDCD-27F6ADD6C65A"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:4.81.0:*:*:*:*:*:*:*","matchCriteriaId":"5BD9447B-B287-484B-A14C-787F8481EBB8"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:4.82.0:*:*:*:*:*:*:*","matchCriteriaId":"15825F25-22B8-4863-A4E0-AD2EE66FA12C"},{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:hhvm:4.83.0:*:*:*:*:*:*:*","matchCriteriaId":"A04923E1-4DCE-4E34-8238-99BCCEEF4791"}]}]}],"references":[{"url":"https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4","source":"cve-assign@fb.com","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2020/11/12/security-update.html","source":"cve-assign@fb.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://github.com/facebook/hhvm/commit/abe0b29e4d3a610f9bc920b8be4ad8403364c2d4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://hhvm.com/blog/2020/11/12/security-update.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"]}]}}]}